$ git clone -n https://gitee.com/wency_cn/tuna_1770945156.git /var/lib/mock/dist-an23-build-514361-75110/root/chroot_tmpdir/scmroot/tuna_1770945156
Cloning into '/var/lib/mock/dist-an23-build-514361-75110/root/chroot_tmpdir/scmroot/tuna_1770945156'...
$ git fetch origin 80600416531c19135f2c2c23cf49065b46b13662:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tuna_1770945156
 * [new ref]         80600416531c19135f2c2c23cf49065b46b13662 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8060041 Update code from upstream